Choosing professionally designed, custom templates for your social media accounts offers several advantages:

Consistent branding: Using a template ensures that all your posts maintain a consistent look and feel, aligning with your brand's visual identity. This consistency helps in establishing brand recognition among your audience.

Efficiency: With a template, you streamline the post creation process. You won't need to redesign the layout from scratch each time you create a new post, saving time and effort.

Visual appeal: Templates allow you to design visually appealing posts with balanced elements such as text, images, logos, and other graphics. This can enhance engagement by making your posts more attractive to viewers.

Professionalism: A well-designed template conveys professionalism. It shows that your brand pays attention to detail and cares about presenting content in an organized and visually appealing manner.

Adaptability: Templates can be customized for different types of content while maintaining a consistent format. Whether you're sharing announcements, promotions, testimonials, or stories, having a structured template ensures that each type of content fits well within your overall posting strategy.

These platforms each have specific requirements and best practices for visuals and content, so having templates can streamline the process of creating content that fits well within each platform's guidelines. 

Overall, using a professional template for social media posts not only enhances visual appeal but also improves efficiency, consistency, and professionalism in your social media marketing efforts.